PDCD1 and Miyoshi myopathy: However, the percentage of PD-1+ EVs was uniformly low across all groups, including HDs (1.44 ± 1.63%), MM patients (3.28 ± 0.69%), NDMM (3.41 ± 0.83%), and RRMM (2.74 ± 1.21%), with no significant differences (Figure 2F).